treeUtilAspect

public class TreeNode {
   /**
        * 节点名称
        */
       private String label;
       /**
        * 节点id
        */
       private String id;
       /**
        * 节点父级id
        */
       private String parentId;
       /**
        * 排序字段
        */
       private String sortNumber;
       /**
        * 节点层级
        */
       private String level;
       /**
        * 当前节点的子节点数量
        */
       private Long count;
       private List<TreeNode> children;
   
       public void add(TreeNode node) {
           children.add(node);
       }
}

@Data
@EqualsAndHashCode(callSuper = false)
public class TestTree extends TreeNode {
    private String icon;
    private String url;
}

   @Data
   public class User {
       @TreeId //定义id
       private String uuid;
       @TreeParentId //定义父级id
       private String parentUuid;
       @TreeLabel //定义名称
       private String label;
       @TreeSort//定义组内排序字段
       private Integer sort;
       @TreeFiled(key = "icon")//定义其他属性 对应自定义tree的属性
       private String images;
       @TreeFiled(key = "url")//定义其他属性 对应自定义tree的属性
       private String path;
   }

@Service
public class UserService {
@Autowired
private TreeService treeService;
    public List<ModuleBean> getTree() {
        //这里的list从自己的数据库取
        List<ModuleBean> moduleBeans = new ArrayList<>();
        treeService.getTree(moduleBeans,TestTree.class);
        return moduleBeans;

    }
}